[Rover]

Looks like a swell lens. I've heard a lot of complaints about "toy lens corners" on the old one, surely this is not the case anymore.

Interesting; so with the sigma you get +1 fstop and higher resolution but with the canon you get IS and nicer bokeh; all for the same price And then there is the zeiss with similar performance to the canon (but slightly higher CA) and a bit more expensive than both the canon/sigma - i won't bother mentioning the zeiss 35f1.4 which is an arm and a leg but probably has nicer bokeh than the sigma.;

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Well I think the 35mm is well covered. So how's the fuji 55-200 looking ?

It's the "should I buy the 24-70/2.8 or 24-105/4 IS?" argument all over again. Personally, if I'd been in the market for a 35mm I'd get the Sigma because I have 35mm covered by the 16-35/2.8, only one stop slower.